Merge branch 'se/http' into next

* se/http:
  Remove possible segfault in http-fetch.
  Install git builtins into gitexecdir rather than bindir.
  Change GIT-VERSION-GEN to call git commands with "git" not "git-".
  cvsimport: replace anonymous sub ref with a normal sub
  cvsimport: minor fixups
  Problem: 'trap...exit' causes error message when /bin/sh is ash.
  Avoid segfault in diff --stat rename output.
  Tutorial #2: broken link fix.
  git help: remove whatchanged from list of common commands

Documentation/tutorial-2.txt

@@ -375,7 +375,7 @@ What next?
 
 At this point you should know everything necessary to read the man
 pages for any of the git commands; one good place to start would be
-with the commands mentioned in link:everday.html[Everyday git].  You
+with the commands mentioned in link:everyday.html[Everyday git].  You
 should be able to find any unknown jargon in the
 link:glossary.html[Glosssay].
 

GIT-VERSION-GEN

@@ -5,7 +5,7 @@ DEF_VER=v1.3.GIT
 
 # First try git-describe, then see if there is a version file
 # (included in release tarballs), then default
-if VN=$(git-describe --abbrev=4 HEAD 2>/dev/null); then
+if VN=$(git describe --abbrev=4 HEAD 2>/dev/null); then
 	VN=$(echo "$VN" | sed -e 's/-/./g');
 elif test -f version
 then
@@ -16,7 +16,7 @@ fi
 
 VN=$(expr "$VN" : v*'\(.*\)')
 
-dirty=$(sh -c 'git-diff-index --name-only HEAD' 2>/dev/null) || dirty=
+dirty=$(sh -c 'git diff-index --name-only HEAD' 2>/dev/null) || dirty=
 case "$dirty" in
 '')
 	;;

Makefile

@@ -631,7 +631,14 @@ install: all
 	$(MAKE) -C templates install
 	$(INSTALL) -d -m755 '$(DESTDIR_SQ)$(GIT_PYTHON_DIR_SQ)'
 	$(INSTALL) $(PYMODULES) '$(DESTDIR_SQ)$(GIT_PYTHON_DIR_SQ)'
-	$(foreach p,$(BUILT_INS), rm -f '$(DESTDIR_SQ)$(bindir_SQ)/$p' && ln '$(DESTDIR_SQ)$(bindir_SQ)/git$X' '$(DESTDIR_SQ)$(bindir_SQ)/$p' ;)
+	if test 'z$(bindir_SQ)' != 'z$(gitexecdir_SQ)'; \
+	then \
+		ln -f '$(DESTDIR_SQ)$(bindir_SQ)/git$X' \
+			'$(DESTDIR_SQ)$(gitexecdir_SQ)/git$X' || \
+		cp '$(DESTDIR_SQ)$(bindir_SQ)/git$X' \
+			'$(DESTDIR_SQ)$(gitexecdir_SQ)/git$X'; \
+	fi
+	$(foreach p,$(BUILT_INS), rm -f '$(DESTDIR_SQ)$(gitexecdir_SQ)/$p' && ln '$(DESTDIR_SQ)$(gitexecdir_SQ)/git$X' '$(DESTDIR_SQ)$(gitexecdir_SQ)/$p' ;)
 
 install-doc:
 	$(MAKE) -C Documentation install

diff.c

@@ -237,7 +237,7 @@ static char *pprint_rename(const char *a, const char *b)
 		if (a_midlen < 0) a_midlen = 0;
 		if (b_midlen < 0) b_midlen = 0;
 
-		name = xmalloc(len_a + len_b - pfx_length - sfx_length + 7);
+		name = xmalloc(pfx_length + a_midlen + b_midlen + sfx_length + 7);
 		sprintf(name, "%.*s{%.*s => %.*s}%s",
 			pfx_length, a,
 			a_midlen, a + pfx_length,

generate-cmdlist.sh

@@ -37,7 +37,6 @@ show-branch
 status
 tag
 verify-tag
-whatchanged
 EOF
 while read cmd
 do

git-clone.sh

@@ -199,7 +199,7 @@ dir="$2"
 [ -e "$dir" ] && echo "$dir already exists." && usage
 mkdir -p "$dir" &&
 D=$(cd "$dir" && pwd) &&
-trap 'err=$?; cd ..; rm -r "$D"; exit $err' exit
+trap 'err=$?; cd ..; rm -r "$D"; exit $err' 0
 case "$bare" in
 yes) GIT_DIR="$D" ;;
 *) GIT_DIR="$D/.git" ;;
@@ -407,5 +407,5 @@ Pull: refs/heads/$head_points_at:$origin_track" &&
 fi
 rm -f "$GIT_DIR/CLONE_HEAD" "$GIT_DIR/REMOTE_HEAD"
 
-trap - exit
+trap - 0
 

git-cvsimport.perl

@@ -563,7 +563,7 @@ my $state = 0;
 
 my($patchset,$date,$author_name,$author_email,$branch,$ancestor,$tag,$logmsg);
 my(@old,@new,@skipped);
-my $commit = sub {
+sub commit {
 	my $pid;
 	while(@old) {
 		my @o2;
@@ -650,6 +650,8 @@ my $commit = sub {
 			"GIT_COMMITTER_DATE=".strftime("+0000 %Y-%m-%d %H:%M:%S",gmtime($date)),
 			"git-commit-tree", $tree,@par);
 		die "Cannot exec git-commit-tree: $!\n";
+
+		close OUT;
 	}
 	$pw->writer();
 	$pr->reader();
@@ -661,6 +663,7 @@ my $commit = sub {
 	if (@skipped) {
 	    $logmsg .= "\n\n\nSKIPPED:\n\t";
 	    $logmsg .= join("\n\t", @skipped) . "\n";
+	    @skipped = ();
 	}
 
 	print $pw "$logmsg\n"
@@ -849,7 +852,7 @@ while(<CVS>) {
 	} elsif($state == 9 and /^\s*$/) {
 		$state = 10;
 	} elsif(($state == 9 or $state == 10) and /^-+$/) {
-		&$commit();
+		commit();
 		$state = 1;
 	} elsif($state == 11 and /^-+$/) {
 		$state = 1;
@@ -859,7 +862,7 @@ while(<CVS>) {
 		print "* UNKNOWN LINE * $_\n";
 	}
 }
-&$commit() if $branch and $state != 11;
+commit() if $branch and $state != 11;
 
 unlink($git_index);
 

http-fetch.c

@@ -1269,10 +1269,10 @@ int main(int argc, char **argv)
 	if (pull(commit_id))
 		rc = 1;
 
-	curl_slist_free_all(no_pragma_header);
-
 	http_cleanup();
 
+	curl_slist_free_all(no_pragma_header);
+
 	if (corrupt_object_found) {
 		fprintf(stderr,
 "Some loose object were found to be corrupt, but they might be just\n"